HQRP Charger/AC to AC Adapter for Black & Decker WM-425SD / WM425SD Type 1 WORKMATE; 9078 3.6V Rechargeable Screwdriver plus Coaster HQRP&reg; Replacement AC to AC Adapter plus HQRP&reg; Coaster; Input: 120V AC; Output: AC (Alternating Current) 5V, 200mA; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; 100% Compatible with Original AC Power Adapter.